Overview
Miragaia wastewater treatment plant serves Lourinhã, Portugal, with a designed capacity of 1.00 (unit unspecified) and a population of 12,900. It is located within 50 km of the coast.
Miragaia is a wastewater treatment plant located in Lourinhã, Lisbon District, Portugal. It serves a population of 12,900 and has a designed capacity of 1.00 (unit unspecified). The plant is situated near the Atlantic coast, within 50 km of the shoreline. As a Portuguese facility, Miragaia operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size (10,000-15,000 population equivalent). The plant's treated effluent likely discharges into local watercourses that flow into the Atlantic Ocean. The region's coastal and estuarine environments support diverse marine life and are important for local fisheries and tourism. Proper treatment helps protect these ecosystems from nutrient pollution and pathogens.
Environmental context
The plant is located in the Lisbon region of Portugal, within 50 km of the Atlantic coast. The receiving water body is likely a small river or stream that drains into the Atlantic Ocean. This coastal area supports diverse marine ecosystems, including fish nurseries and migratory bird habitats. Nutrient loading from wastewater could contribute to eutrophication in coastal waters, making effective treatment important for ecological health.
Frequently asked questions
Miragaia WWTP is located in Lourinhã, Lisbon District, Portugal, at EN 361, Miragaia e Marteleira.
The plant serves a population of 12,900 people.
The treated effluent likely discharges into local watercourses that flow into the Atlantic Ocean, as the plant is within 50 km of the coast.
As a Portuguese plant, Miragaia operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size.
Under the EU UWWTD, agglomerations between 10,000 and 15,000 population equivalent typically require secondary treatment, and possibly tertiary treatment if discharging into sensitive areas.
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